Answer:
Petal is brightly coloured and scented to attract pollinating insects
Leaf acts as food factory using the energy from sunlight
Roots carry water and nutrients from soil to the plants body and keeps it anchored in the ground
Veins are blood vessels that carries blood towards heart
Stems support for the elevation of leaves,flowers and fruits and also transport fluids between roots and shoots in xylem and phloem
Explanation:
<span>Answer D is not correct, as gymnosprems are used widely for consumer goods such as lumber, soap, and nail polish.
Answer C is not correct event though wheat and corn are two of the main foods supplied to people in the world.
Answer B is a very subjective question, because some people argue that selective breeding helps agriculture, while others do not.
The correct answer is A. The green revolution was a period of scientific discoveries that lead to an increase in the supply of food worldwide.</span>
<span>The amount of protein a woman should get each day depends not just on age and weight. Her activity level must also be considered. </span><span>A 135-pound woman who is 38 years old and assuming not pregnant needs (b) 49 grams/day if she is not very active or (d) 110 grams/day if she is very active.</span>
Answer:
four oxygen molecules
Explanation:
The hemoglobin molecule has four binding sites for oxygen molecules: the iron atoms in the four heme groups. Thus, each Hb tetramer can bind four oxygen molecules.
D) a change in protein synthesis